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提高直播甜菜保苗率技术措施王守国（黑龙江省北安农业学校）直播甜菜保苗率低是影响其产量提高的一个重要因素，１９９３～１９９５年，在北安、克东、德都等地进行甜菜大垄双行覆膜栽培试验中，采取综合技术措施提高保苗率，收到了较好的效果。１精细整地甜菜种子小、果...
Improve the direct seeding sugar beet seedling rate of technical measures Wang Shouguo (Bei’an Agricultural School, Heilongjiang Province) Direct seeding beet low rate of seedling is an important factor affecting the yield increase, from 1993 to 1995, in Bei’an, Ke Dong, Germany and other places beet big Ridge double lines of film cultivation trials, to take comprehensive technical measures to improve seedling protection rate, received good results. 1 finely beet seed small, fruit ...